[yt-dev] Zombie jobs on eudora?

Matthew Turk matthewturk at gmail.com
Wed Jun 11 15:37:13 PDT 2014


On Wed, Jun 11, 2014 at 5:28 PM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:
> On Wed, Jun 11, 2014 at 3:04 PM, Matthew Turk <matthewturk at gmail.com>
wrote:
>>
>>
>> Please do, yeah. That should help us track down the memory increase.
>> It's possible FLASH needs additional work; have you checked the
>> refcounts for its grid objects?
>>
>
> With this script: http://paste.yt-project.org/show/4779/
>
> I also see steadily increasing memory usage, although it's not clear if
> that's just because each successive Enzo dataset is larger than the one
> before. The peak memory usage is 230 MB, so substantially better than the
> FLASH dataset.

My guess is there is a leak in flash. You can evaluate whether it is the
data size by looking at what the memory use is if you just load the final
one or the final ten.

When I have a minute I will try to replicate here. I suspect it's not
important that it's cylindrical.

>
> I can privately share the FLASH dataset Philip was originally having
trouble
> with if that will help.
>
> The root grid seems to have a refcount of 7. I'm not sure how many of
those
> references were generated by objgraph itself.
>
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